Firearm stock



FIG. 1 is a front/right side isometric view of the firearm stock;

FIG. 2 is a front elevational view of the firearm stock;

FIG. 3 is a rear elevational view of the firearm stock;

FIG. 4 is a right side elevational view of the firearm stock;

FIG. 5 is a left side elevational view of the firearm stock;

FIG. 6 is a top plan view of the firearm stock; and,

FIG. 7 is a bottom view of the firearm stock.

CLAIM The ornamental design for a firearm stock, as shown and described.